28131412

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{509}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 50679720

約数和(自身を除く): 22548308

約数列:

[1, 2, 4, 41, 82, 164, 337, 509, 674, 1018, 1348, 2036, 13817, 20869, 27634, 41738, 55268, 83476, 171533, 343066, 686132, 7032853, 14065706, 28131412]

約数ペア:

[(1, 28131412), (2, 14065706), (4, 7032853), (41, 686132), (82, 343066), (164, 171533), (337, 83476), (509, 55268), (674, 41738), (1018, 27634), (1348, 20869), (2036, 13817)]